Personabilities feedback: display standarderrors

For each scale, we also display the standarderror for this scale. The standarderror changes after each question, and here we display the value that was calculated after the last response.
Wunderbyte-GmbH · Jan 23, 2024 · 27d0494 · 27d0494
1 parent 150d12d
commit 27d0494
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Showing 4 changed files with 11 additions and 5 deletions.
diff --git a/classes/teststrategy/feedbackgenerator/personabilities.php b/classes/teststrategy/feedbackgenerator/personabilities.php
@@ -250,6 +250,7 @@ public function generate_feedback(array $initialcontext, $personabilities, $cach
 
         $catscales = catquiz::get_catscales(array_keys($personabilities));
         $data = [];
+        $lastcontext = end($cachedcontexts);
         foreach ($personabilities as $catscaleid => $ability) {
             if (abs(floatval($ability)) === abs(floatval(LOCAL_CATQUIZ_PERSONABILITY_MAX))) {
                 if ($ability < 0) {
@@ -280,6 +281,7 @@ public function generate_feedback(array $initialcontext, $personabilities, $cach
             }
 
             $data[] = [
+                'standarderror' => sprintf("%.2f", $lastcontext['se'][$catscaleid]),
                 'ability' => $ability,
                 'name' => $catscales[$catscaleid]->name,
                 'catscaleid' => $catscaleid,

diff --git a/lang/de/local_catquiz.php b/lang/de/local_catquiz.php
@@ -66,6 +66,7 @@
 $string['pilotattemptsthreshold'] = 'Mindestanzahl an Bearbeitungen';
 $string['pilotattemptsthreshold_help'] = 'Fragen mit weniger Testversuchen werden als Pilotfragen klassifiziert';
 $string['includepilotquestions'] = 'Pilotierungsmodus aktivieren';
+$string['standarderror'] = 'Standardfehler';
 $string['standarderrorpersubscale'] = 'Standardfehler pro Skala in Prozent';
 $string['standarderrorpersubscale_help'] = 'Sobald der Standardfehler einer Skala unter diesen Wert fällt, wird sie nicht weiter getestet.';
 $string['maxquestionspersubscale'] = 'max. Frageanzahl pro Skala';

diff --git a/lang/en/local_catquiz.php b/lang/en/local_catquiz.php
@@ -67,6 +67,7 @@
 $string['pilotattemptsthreshold'] = 'Minimum number of adaptations';
 $string['pilotattemptsthreshold_help'] = 'Questions with less attempts will be considered pilot questions';
 $string['includepilotquestions'] = 'Activate pilot mode';
+$string['standarderror'] = 'Standarderror';
 $string['standarderrorpersubscale'] = 'Standarderror per subscale in percent';
 $string['standarderrorpersubscale_help'] = 'If the standard error for a scale drops below this value, it will no longer be tested.';
 $string['maxquestionspersubscale'] = 'Maximum number of questions returned per subscale';

diff --git a/templates/feedback/personabilities.mustache b/templates/feedback/personabilities.mustache
@@ -24,6 +24,7 @@
         "abilities": [
             {
                 "ability": 1.23,
+                "standarderror": 3.21,
                 "name": "Mathematics",
                 "isselectedscale": 1,
                 "catscaleid": 3,
@@ -43,6 +44,7 @@
             },
             {
                 "ability": 3.21,
+                "standarderror": 1.23,
                 "name": "catscale2",
                 "isselectedscale": 0,
                 "catscaleid": 3,
@@ -76,26 +78,26 @@
     <div class="row">
     {{#numberofitemsplayed}}
         <div {{#isselectedscale}}
-                class="font-weight-bold col-6 text-right"
+                class="font-weight-bold col-4 text-right"
                 data-toggle="tooltip"
                 data-placement="top"
                 title="{{tooltiptitle}}"
             {{/isselectedscale}}
             {{^isselectedscale}}
-                class="font-weight-normal col-6 text-right"
+                class="font-weight-normal col-4 text-right"
             {{/isselectedscale}}>
             {{name}} :
         </div>
         <div {{#isselectedscale}}
-                class="font-weight-bold col-2 text-left"
+                class="font-weight-bold col-4 text-left"
                 data-toggle="tooltip"
                 data-placement="top"
                 title="{{tooltiptitle}}"
             {{/isselectedscale}}
             {{^isselectedscale}}
-                class="font-weight-normal col-2 text-left"
+                class="font-weight-normal col-4 text-left"
             {{/isselectedscale}}>
-            {{ability}}
+            {{ability}} ({{#str}}standarderror, local_catquiz{{/str}}: {{standarderror}})
         </div>
         {{#itemsplayed}}
             <div class="btn btn-light btn-sm col" data-toggle="modal" data-target=".catquizfeedbackabilitiesplayedquestions_{{catscaleid}}">